<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>login</title>
</head>
<body>
<form method="post" action="login">
    用户名:<input name="username" value="admin"/></br>
    密码:<input type="password" name="password" value="123123ww"/><br>
    <img src="img/vCode"><input name="vCode"/><br>
    <input type="submit" value="提交">
</form>

</body>
</html>